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Streamdown: React Markdown for AI Streaming

Streamdown: a React library that replaces react-markdown with proper streaming support for AI applications.

Key features:

πŸ”„ Handles incomplete Markdown blocks during streaming

🎨 Styles unterminated bold, italic, and code elements properly

πŸ“Š Full GitHub Flavored Markdown support with tables and task lists

πŸ”’ Built-in LaTeX math rendering with KaTeX

🎯 Syntax highlighting with Shiki and copy buttons

πŸ›‘οΈ Security hardening for untrusted content

⚑ Memoized rendering for better performance

Works as a drop-in replacement with the same API as react-markdown but actually handles streaming content properly.

The unterminated block parsing is particularly useful for AI chat applications where content arrives progressively.

πŸ‘‰ Blog Post

πŸ‘‰ GitHub Repo

πŸ‘‰ Live Demo

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